Maddie is having her Sweet 16, and likes to have her party at the Tipton. On that same day, ロンドン decides to throw her own bash. Zack ends up trying to figure out what to get Maddie for her special day.
Maddie runs a Daycare Service at the Tipton, and when Maddie has a family obligation to attend to, Zack and Cody take over. Meanwhile, ロンドン encourages Mr. Moseby to take yoga to help him relax a bit more.